<div class="letter_single">
    <div class="letter_left">
        <a href="home/<?php echo $user_id; ?>">
            <i class="letter_avatar <?php echo ($gender == 0) ? 'avatar-default50f' : 'avatar-default50m'; ?>"></i>
        </a>
        <div>
            <div class="letter_user">
                <?php echo user_link($user_id, $nickname); ?>：
            </div>
            <div class="letter_content">
                <p><?php echo $letter_content; ?></p>
            </div>
        </div>
    </div>
    <div class="letter_right">
        <div>
            <i class="icon-time"></i>    
            发表于 <?php echo value_to_timestamp($letter_time); ?>
        </div>
        <i class="icon-comment"></i>
        <a href="javascript:void(0);" class="letter_reply">回复</a>
    </div>    
</div>